AD737AQ Analog Devices Inc, AD737AQ Datasheet - Page 2

• Manufacturer Part Number: AD737AQ
• Description: IC AC RMS TO DC CONV 5V 8-CDIP
• Manufacturer: Analog Devices Inc

Specifications of AD737AQ

• Rohs Status: RoHS non-compliant
• Current - Supply: 170mA
• Voltage - Supply: ±5.0V
• Mounting Type: Through Hole
• Package / Case: 8-CDIP (0.300", 7.62mm)
• For Use With: AD737-EVALZ - BOARD EVALUATION FOR AD737

AD737
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ...................................................................... 12
REVISION HISTORY
10/08—Rev. G to Rev. H
Added Selectable Average or RMS Conversion Section and
Figure 27 .......................................................................................... 14
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 22
12/06—Rev. F to Rev. G
Changes to Specifications ................................................................ 3
Reorganized Typical Performance Characteristics ...................... 8
Changes to Figure 21 ...................................................................... 11
Reorganized Theory of Operation Section ................................. 12
Reorganized Applications Section ................................................ 14
Added Scaling Input and Output Voltages Section .................... 14
Deleted Application Circuits Heading ......................................... 16
Changes to Figure 28 ...................................................................... 16
Added AD737 Evaluation Board Section .................................... 18
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 21
1/05—Rev. E to Rev. F
Updated Format .................................................................. Universal
Added Functional Block Diagram.................................................. 1
Changes to General Description Section ...................................... 1
Changes to Pin Configurations and Function
Descriptions Section ........................................................................ 6
Changes to Typical Performance Characteristics Section ........... 7
Changes to Table 4 .......................................................................... 11
Change to Figure 24 ....................................................................... 12
Change to Figure 27 ....................................................................... 15
Changes to Ordering Guide .......................................................... 18
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Types of AC Measurement ........................................................ 12
Rev. H | Page 2 of 24
Applications Information .............................................................. 14
AD737 Evaluation Board ............................................................... 18
Outline Dimensions ....................................................................... 20
6/03—Rev. D to Rev. E
Added AD737JR-5 .............................................................. Universal
Changes to Features .......................................................................... 1
Changes to General Description ..................................................... 1
Changes to Specifications ................................................................. 2
Changes to Absolute Maximum Ratings ........................................ 4
Changes to Ordering Guide ............................................................. 4
Added TPCs 16 through 19 ............................................................. 6
Changes to Figures 1 and 2 .............................................................. 8
Changes to Figure 8 ........................................................................ 11
Updated Outline Dimensions ....................................................... 12
12/02—Rev. C to Rev. D
Changes to Functional Block Diagram ........................................... 1
Changes to Pin Configuration ......................................................... 4
Figure 1 Replaced .............................................................................. 8
Changes to Figure 2 ........................................................................... 8
Figure 5 Replaced ........................................................................... 10
Changes to Application Circuits Figures 4, 6–8 ......................... 10
Outline Dimensions Updated ....................................................... 12
12/99—Rev. B to Rev. C
DC Error, Output Ripple, and Averaging Error ..................... 13
AC Measurement Accuracy and Crest Factor ........................ 13
Calculating Settling Time .......................................................... 13
RMS Measurement—Choosing an Optimum
Value for C
Rapid Settling Times via the Average Responding
Connection .................................................................................. 14
Selecting Practical Values for Capacitors ................................ 14
Scaling Input and Output Voltages .......................................... 14
Ordering Guide .......................................................................... 22
AV
............................................................................... 14